Objective Agronomy is a comprehensive and exam-oriented resource designed to provide a clear and concise understanding of fundamental and advanced concepts in agronomy. The book systematically covers all major topics, including crop classification, soil science basics, tillage, cropping water management, crop nutrition, integrated nutrient management, weed control, cropping systems, and emerging areas such as sustainable agriculture, dryland farming, and precision agriculture. It also includes detailed coverage of important crop groups like cereals, pulses, oilseeds, commercial crops, and fodder crops, along with agro-meteorology and key agronomic practices. The content is presented in an objective format, making it highly suitable for quick revision, self-assessment, and strengthening conceptual clarity. This book is primarily intended for students preparing for competitive examinations such as ICAR-JRF, SRF, NET, State Agricultural Services, and other entrance or recruitment tests in agriculture, UPSC and allied sciences. It is also highly beneficial for undergraduate and postgraduate students of agriculture who seek a structured and objective approach to learning agronomy.